package com.yuxue.config;

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.task.TaskExecutor;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

@Configuration
@ComponentScan("com.yuxue.auth.service.impl")
@EnableAsync
public class ThreadPoolConfig  implements AsyncConfigurer {

	@Bean(name = "taskExecutor")
	public TaskExecutor taskExecutor() {
		ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        
		// 设置核心线程数
		executor.setCorePoolSize(4);
		// 设置最大线程数
		executor.setMaxPoolSize(8);
		// 设置队列容量
		executor.setQueueCapacity(100);
		// 设置线程活跃时间（秒）
		executor.setKeepAliveSeconds(60);
		// 设置默认线程名称
		executor.setThreadNamePrefix("localThread:");
		// 设置拒绝策略
		executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
		// 等待所有任务结束后再关闭线程池
		executor.setWaitForTasksToCompleteOnShutdown(true);
		return executor;
	}
	
	@Override
    public Executor getAsyncExecutor() {
        return taskExecutor();
    }

    @Override
    public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
        return null;
    }

}